coming up, an emotional sendoff for pope benedict. his final message to a crowd of thousands. >> reporter: live in san francisco's west portal neighborhood where a water main break causes damage to a dozen homes. we'll hear from neighbors in the area. >> reporter: and the community in santa cruz is still reeling after two police officers are shot and killed yesterday. the latest on the investigation up next. >>> it appears that the water level has gone down some but you can see just how bad it got. >> cars submerge, homes flooded in another major water main break. >> a possible sinkhole is forming. >> this is the darkest day in the history of the santa cruz police department. >> two officers shot and killed in the line of duty. >> i heard another round of 40 to 50 very fast gunshots. >> the santa cruz police department only has about 100 sworn officers so the loss of two of them is devastating for the department. >> 100,000 people flocked to st. peter's square for pope benedict's emotional good-bye. >> congress plays the blame game wi